//ResDaP Javascript
//Has to be included on every page.
//.
//(c) 2009 Joren Lauwers - JSO

//===== Variables =====
url=document.location+" ";

//===== Functions =====

// Browser Window Size and Position
// copyright Stephen Chapman, 3rd Jan 2005, 8th Dec 2005
// you may copy these functions but please keep the copyright notice as well
function pageWidth() {return window.innerWidth != null? window.innerWidth : document.documentElement && document.documentElement.clientWidth ?       document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;}
function pageHeight() {return  window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ?  document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;} 
function posLeft() {return typeof window.pageXOffset != 'undefined' ? window.pageXOffset :document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0;}
function posTop() {return typeof window.pageYOffset != 'undefined' ?  window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;}
function posRight() {return posLeft()+pageWidth();}
function posBottom() {return posTop()+pageHeight();}

function previewImage(imagesrc) {
	if(!(document.getElementById('imgpreview'))){
		document.body.innerHTML += '<div id="imgpreview"></div>';
	}
	document.getElementById('imgpreview').style.visibility = 'visible';
	document.getElementById('imgpreview').style.top = (posTop() + pageHeight()/2 - 180) + 'px';
	document.getElementById('imgpreview').innerHTML = '<a href="javascript:hideImgpreview();"><img src="/files/images/close.png"></src></a><br><img src="'+imagesrc+'"></img>';
}
function hideImgpreview() {
	document.getElementById('imgpreview').style.visibility = 'hidden';
}
function getRadioValue(radioname) {
	x = document.getElementsByName(radioname).length;
	for (i=0; i<=x; i++) {
		if (document.getElementsByName(radioname)[i].value == true) {
			answer = i;
		}
	}
	return i;
}
function showLogin() {
	document.getElementById('login').style.display = 'block';
	document.getElementById('login').style.visibility = 'visible';
}